/**
* For copyright information see the LICENSE document.
*/
package gwlpr.database.jpa;
import java.io.Serializable;
import javax.persistence.Query;
import javax.persistence.EntityNotFoundException;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import gwlpr.database.entities.Skill;
import gwlpr.database.entities.Character;
import gwlpr.database.entities.EquippedSkill;
import gwlpr.database.entities.EquippedSkillPK;
import gwlpr.database.jpa.exceptions.NonexistentEntityException;
import gwlpr.database.jpa.exceptions.PreexistingEntityException;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
/**
*
* @author _rusty
*/
public class EquippedSkillJpaController implements Serializable
{
public EquippedSkillJpaController(EntityManagerFactory emf) {
this.emf = emf;
}
private EntityManagerFactory emf = null;
public EntityManager getEntityManager() {
return emf.createEntityManager();
}
public void create(EquippedSkill equippedSkill) throws PreexistingEntityException, Exception {
if (equippedSkill.getEquippedSkillPK() == null) {
equippedSkill.setEquippedSkillPK(new EquippedSkillPK());
}
equippedSkill.getEquippedSkillPK().setSkillID(equippedSkill.getSkill().getId());
equippedSkill.getEquippedSkillPK().setCharacterID(equippedSkill.getCharacter().getId());
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
Skill skill = equippedSkill.getSkill();
if (skill != null) {
skill = em.getReference(skill.getClass(), skill.getId());
equippedSkill.setSkill(skill);
}
Character character = equippedSkill.getCharacter();
if (character != null) {
character = em.getReference(character.getClass(), character.getId());
equippedSkill.setCharacter(character);
}
em.persist(equippedSkill);
if (skill != null) {
skill.getEquippedSkillCollection().add(equippedSkill);
skill = em.merge(skill);
}
if (character != null) {
character.getEquippedSkillCollection().add(equippedSkill);
character = em.merge(character);
}
em.getTransaction().commit();
} catch (Exception ex) {
if (findEquippedSkill(equippedSkill.getEquippedSkillPK()) != null) {
throw new PreexistingEntityException("EquippedSkill " + equippedSkill + " already exists.", ex);
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void edit(EquippedSkill equippedSkill) throws NonexistentEntityException, Exception {
equippedSkill.getEquippedSkillPK().setSkillID(equippedSkill.getSkill().getId());
equippedSkill.getEquippedSkillPK().setCharacterID(equippedSkill.getCharacter().getId());
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
EquippedSkill persistentEquippedSkill = em.find(EquippedSkill.class, equippedSkill.getEquippedSkillPK());
Skill skillOld = persistentEquippedSkill.getSkill();
Skill skillNew = equippedSkill.getSkill();
Character characterOld = persistentEquippedSkill.getCharacter();
Character characterNew = equippedSkill.getCharacter();
if (skillNew != null) {
skillNew = em.getReference(skillNew.getClass(), skillNew.getId());
equippedSkill.setSkill(skillNew);
}
if (characterNew != null) {
characterNew = em.getReference(characterNew.getClass(), characterNew.getId());
equippedSkill.setCharacter(characterNew);
}
equippedSkill = em.merge(equippedSkill);
if (skillOld != null && !skillOld.equals(skillNew)) {
skillOld.getEquippedSkillCollection().remove(equippedSkill);
skillOld = em.merge(skillOld);
}
if (skillNew != null && !skillNew.equals(skillOld)) {
skillNew.getEquippedSkillCollection().add(equippedSkill);
skillNew = em.merge(skillNew);
}
if (characterOld != null && !characterOld.equals(characterNew)) {
characterOld.getEquippedSkillCollection().remove(equippedSkill);
characterOld = em.merge(characterOld);
}
if (characterNew != null && !characterNew.equals(characterOld)) {
characterNew.getEquippedSkillCollection().add(equippedSkill);
characterNew = em.merge(characterNew);
}
em.getTransaction().commit();
} catch (Exception ex) {
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
EquippedSkillPK id = equippedSkill.getEquippedSkillPK();
if (findEquippedSkill(id) == null) {
throw new NonexistentEntityException("The equippedSkill with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void destroy(EquippedSkillPK id) throws NonexistentEntityException {
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
EquippedSkill equippedSkill;
try {
equippedSkill = em.getReference(EquippedSkill.class, id);
equippedSkill.getEquippedSkillPK();
} catch (EntityNotFoundException enfe) {
throw new NonexistentEntityException("The equippedSkill with id " + id + " no longer exists.", enfe);
}
Skill skill = equippedSkill.getSkill();
if (skill != null) {
skill.getEquippedSkillCollection().remove(equippedSkill);
skill = em.merge(skill);
}
Character character = equippedSkill.getCharacter();
if (character != null) {
character.getEquippedSkillCollection().remove(equippedSkill);
character = em.merge(character);
}
em.remove(equippedSkill);
em.getTransaction().commit();
} finally {
if (em != null) {
em.close();
}
}
}
public List<EquippedSkill> findEquippedSkillEntities() {
return findEquippedSkillEntities(true, -1, -1);
}
public List<EquippedSkill> findEquippedSkillEntities(int maxResults, int firstResult) {
return findEquippedSkillEntities(false, maxResults, firstResult);
}
private List<EquippedSkill> findEquippedSkillEntities(boolean all, int maxResults, int firstResult) {
EntityManager em = getEntityManager();
try {
CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
cq.select(cq.from(EquippedSkill.class));
Query q = em.createQuery(cq);
if (!all) {
q.setMaxResults(maxResults);
q.setFirstResult(firstResult);
}
return q.getResultList();
} finally {
em.close();
}
}
public EquippedSkill findEquippedSkill(EquippedSkillPK id) {
EntityManager em = getEntityManager();
try {
return em.find(EquippedSkill.class, id);
} finally {
em.close();
}
}
public int getEquippedSkillCount() {
EntityManager em = getEntityManager();
try {
CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
Root<EquippedSkill> rt = cq.from(EquippedSkill.class);
cq.select(em.getCriteriaBuilder().count(rt));
Query q = em.createQuery(cq);
return ((Long) q.getSingleResult()).intValue();
} finally {
em.close();
}
}
}